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United States Patent | 5,215,097 |
Watabe | June 1, 1993 |
A sphygmometer digitally displays a pulse rate merely by bringing a sensor into contact with skin covering an artery. The sphygmometer includes a main body, pulse sensing device for sensing pulse in such a manner that the pulse sensing device is directly or indirectly brought in contact with skin covering an artery, a display provided in the main body for digitally displaying pulse data and a microcomputer provided in the main body for arithmetically computing the pulse rate per minute on the basis of pulses in predetermined seconds sensed by the pulse sensing device and transmitting a signal corresponding to the computer pulse rate to the display.
Inventors: | Watabe; Yusaku (Atsugi, JP) |
Assignee: | Winners Japan Company Limited (Tokyo, JP) |
Appl. No.: | 759801 |
Filed: | September 5, 1991 |
Jul 17, 1989[JP] | 1-83104[U] |
Current U.S. Class: | 600/502; 401/195; 600/522; 600/526 |
Intern'l Class: | A61B 005/02 |
Field of Search: | 128/680,681,686,687,689,690,691,693,709,710,713,714 |
4185621 | Jan., 1980 | Morrow | 128/690. |
4305401 | Dec., 1981 | Reissmueller | 128/690. |
4867170 | Sep., 1989 | Takahashi | 128/690. |